I have been noticing a strong odor of diesel fuel from the exhaust lately, while idiling. It doesn't blow smoke- black or white. Seems to be running fine, but I notice it alot sitting at stop signs (with the windows open obviously).

Could it be that I am simply downwind? Or is this something I should take note of.

Possible you have leaky up-pipes? Crawl underneath the truck and look to see where the pipes coming off the exhaust manifolds go to the turbine side of the turbo. If its full of soot or black then they might be leaking.

I'm having the same problems. My windows are up and it gets bad but only on some days. Other days it's fine. I notice it bad when my climate controls are on anything besides max a/c hot or cold. I've heard it could be a plug in the firewall that is defective or other things.

I'm having the same problems. My windows are up and it gets bad but only on some days. Other days it's fine. I notice it bad when my climate controls are on anything besides max a/c hot or cold. I've heard it could be a plug in the firewall that is defective or other things.

there is a tsb out for this. I believe it is egr related? As for the OP, that sounds normal I notice the same thing and enjoy it

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